(a p 22. Two objects stick together and move with a common velocity after collid

Question

(a p 22. Two objects stick together and move with a common velocity after colliding. Identify the type of collision. elastic nearly elastic ( inelastic perfectly inelastic 23. A moving billiard ball collides with an identical stationary billiard ball in an elastic collision. (1 po After the collision, the second ball has the same speed that the first ball had originally. Which of the following is true of the first ball after the collision? O It maintains its initial velocity OIt has half of its initial velocity. It comes to rest. O It moves in the opposite direction of its original motion. 24. When an object is moving with uniform circular motion, the object's tangential speed (I point) O is circular O is perpendicular to the plane of motion. © is constant D is directed toward the center of motion Evo 8 7 2 4 5 6

Explanation / Answer

22.

inelastic collision. -kinetic Energy is not conserved

23.

it comes to rest - velocities are exchanged

24.

Is circular - drawn tangents will form circle

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